Sigur Ros performed the song “Kveikur”" on Late Night with Jimmy Fallon Friday night. It's off of their upcoming album album Kveikur. "The album - their first to be released worldwide by XL Recordings - was recorded and self-produced by band members Jón Pór Birgisson, Georg Holm and Orri Páll Dýrason" said their label XL Recordings. The album has a release date of June 17/18.